:root{
  --navy:#1f3864; --teal:#2e7d6f; --teal-d:#225a50; --ink:#1a2230; --muted:#5b6675;
  --line:#e1e6ed; --bg:#f4f6f9; --card:#ffffff; --gold:#c79a3a; --red:#c0392b;
  --green:#2e7d32; --shadow:0 1px 3px rgba(20,30,50,.08),0 4px 16px rgba(20,30,50,.05);
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Segoe UI",-apple-system,Helvetica,Arial,sans-serif;color:var(--ink);
  background:var(--bg);font-size:14px;line-height:1.5}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Login ---------- */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:linear-gradient(135deg,#1f3864,#2e7d6f)}
.login-card{background:#fff;padding:40px;border-radius:16px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-brand{font-size:26px;font-weight:800;letter-spacing:.5px;color:var(--navy)}
.login-brand span{display:block;font-size:12px;font-weight:600;color:var(--teal);letter-spacing:2px;text-transform:uppercase}
.login-sub{color:var(--muted);margin:6px 0 20px;font-size:13px}
.login-foot{margin-top:18px;font-size:11px;color:var(--muted);text-align:center}
.login-card label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:12px 0 4px}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--navy);color:#cdd6e4;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.brand{padding:20px 18px;font-weight:800;font-size:18px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.brand span{display:block;font-size:10px;font-weight:600;color:#7fc9ba;letter-spacing:1.5px;text-transform:uppercase;margin-top:2px}
.sidebar nav{flex:1;overflow-y:auto;padding:8px 0}
.sidebar nav a{display:block;padding:9px 18px;color:#cdd6e4;font-size:13px;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none;border-left-color:var(--teal)}
.sidebar-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:12px}
.sidebar-foot .who{color:#fff;font-weight:600}
.sidebar-foot .logout{color:#7fc9ba;font-size:12px}
.content{margin-left:230px;flex:1;padding:28px 34px;max-width:1400px}

/* ---------- Headings & cards ---------- */
h1{font-size:22px;color:var(--navy);margin-bottom:4px}
h2{font-size:16px;color:var(--navy);margin:22px 0 10px}
.page-sub{color:var(--muted);font-size:13px;margin-bottom:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Stat tiles ---------- */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600}
.stat .value{font-size:24px;font-weight:700;color:var(--navy);margin-top:4px}
.stat.alert-tile{border-left:4px solid var(--red)}
.stat.ok-tile{border-left:4px solid var(--green)}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;background:#fff;font-size:13px}
th{background:var(--navy);color:#fff;text-align:left;padding:9px 11px;font-weight:600;font-size:12px}
td{padding:8px 11px;border-bottom:1px solid var(--line)}
tr:nth-child(even) td{background:#f8fafc}
tr:hover td{background:#eef4f3}
.num{text-align:right;font-variant-numeric:tabular-nums}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
tfoot td{background:var(--teal)!important;color:#fff;font-weight:700}

/* ---------- Forms ---------- */
label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:10px 0 4px}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:7px;font-size:13px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(46,125,111,.12)}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.form-row-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:9px 16px;border:none;border-radius:7px;font-size:13px;font-weight:600;cursor:pointer;background:#eef1f5;color:var(--ink)}
.btn:hover{text-decoration:none;filter:brightness(.97)}
.btn-primary{background:var(--teal);color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-danger{background:var(--red);color:#fff}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-block{width:100%}
.btn-bar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}

/* ---------- Alerts & badges ---------- */
.alert{padding:11px 14px;border-radius:8px;margin-bottom:16px;font-size:13px}
.alert-success{background:#e6f4ea;color:#1e6b2e;border:1px solid #b7e0c2}
.alert-error,.alert-danger{background:#fdecea;color:#a3271b;border:1px solid #f4c4bd}
.alert-info{background:#e9f1fb;color:#1f4e8c;border:1px solid #bcd5f2}
.alert-warn{background:#fff6e0;color:#8a6312;border:1px solid #f0dca0}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600}
.badge-pending{background:#fff6e0;color:#8a6312}
.badge-prepared{background:#e9f1fb;color:#1f4e8c}
.badge-filed{background:#e6f4ea;color:#1e6b2e}
.badge-paid{background:#dff3ee;color:#225a50}
.badge-late{background:#fdecea;color:#a3271b}
.badge-due{background:#fff0e0;color:#9c5410}

.muted{color:var(--muted)}
.right{text-align:right}
.center{text-align:center}
.mt{margin-top:18px}
.pill{font-size:11px;background:#eef1f5;padding:2px 8px;border-radius:12px;color:var(--muted)}
.print-only{display:none}
@media print{.sidebar,.btn-bar,.no-print{display:none}.content{margin:0}.print-only{display:block}}